GOPATH:=$(shell go env GOPATH)
INTERNAL_PROTO_FILES=$(shell find protocol -name *.proto)

.PHONY: protobuf
# generate internal proto
protobuf:
	protoc --experimental_allow_proto3_optional \
            --proto_path=./protocol \
 	        --go_out=paths=source_relative:./biz/api/pb/v1 \
	         $(INTERNAL_PROTO_FILES)

.PHONY: generate
# generate
generate:
	go mod tidy
	go generate ./...

# show help
help:
	@echo ''
	@echo 'Usage:'
	@echo ' make [target]'
	@echo ''
	@echo 'Targets:'
	@awk '/^[a-zA-Z\-\_0-9]+:/ { \
	helpMessage = match(lastLine, /^# (.*)/); \
		if (helpMessage) { \
			helpCommand = substr($$1, 0, index($$1, ":")-1); \
			helpMessage = substr(lastLine, RSTART + 2, RLENGTH); \
			printf "\033[36m%-22s\033[0m %s\n", helpCommand,helpMessage; \
		} \
	} \
	{ lastLine = $$0 }' $(MAKEFILE_LIST)

.DEFAULT_GOAL := help
